[build] Roll build a3b623a:11a223f

.gn

Index: .gn
diff --git a/.gn b/.gn
index aee1752d4be65e7fa567ee58ca451f6d8f325d3a..c80980ea092d0564320a40ef32812c47ef65ff66 100644
--- a/.gn
+++ b/.gn
@@ -2,6 +2,8 @@
 # tree and to set startup options. For documentation on the values set in this
 # file, run "gn help dotfile" at the command line.
 
+import("//build/dotfile_settings.gni")
+
 # The location of the build configuration file.
 buildconfig = "//build/config/BUILDCONFIG.gn"
 
@@ -19,30 +21,5 @@ check_targets = []
 # These are the list of GN files that run exec_script. This whitelist exists
 # to force additional review for new uses of exec_script, which is strongly
 # discouraged except for gypi_to_gn calls.
-exec_script_whitelist = [
-  "//build/config/android/BUILD.gn",
-  "//build/config/android/config.gni",
-  "//build/config/android/internal_rules.gni",
-  "//build/config/android/rules.gni",
-  "//build/config/BUILD.gn",
-  "//build/config/compiler/BUILD.gn",
-  "//build/config/gcc/gcc_version.gni",
-  "//build/config/ios/ios_sdk.gni",
-  "//build/config/linux/atk/BUILD.gn",
-  "//build/config/linux/BUILD.gn",
-  "//build/config/linux/pkg_config.gni",
-  "//build/config/mac/mac_sdk.gni",
-  "//build/config/posix/BUILD.gn",
-  "//build/config/sysroot.gni",
-  "//build/config/win/BUILD.gn",
-  "//build/config/win/visual_studio_version.gni",
-  "//build/gn_helpers.py",
-  "//build/gypi_to_gn.py",
-  "//build/toolchain/concurrent_links.gni",
-  "//build/toolchain/gcc_toolchain.gni",
-  "//build/toolchain/mac/BUILD.gn",
-  "//build/toolchain/win/BUILD.gn",
-  "//build/util/branding.gni",
-  "//build/util/version.gni",
-  "//test/test262/BUILD.gn",
-]
+exec_script_whitelist =
+    build_dotfile_settings.exec_script_whitelist + [ "//test/test262/BUILD.gn" ]